import { Config, UnauthorizedConfig } from '../types';
export interface Cron {
    /**
     * Schedule a task to run on a cron expression
     * @param expression - Cron expression (e.g., '0 * * * *' for hourly)
     * @param task - Async task to execute
     */
    schedule(expression: string, task: () => Promise<void>): void;
}
/**
 * Default Node.js cron handler that uses node-cron
 */
export declare class NodeCron implements Cron {
    private cron;
    private pendingSchedules;
    private initialized;
    constructor();
    schedule(expression: string, task: () => Promise<void>): void;
}
/**
 * Initialize the cron instance
 * @param config - Client configuration
 */
export declare function initialize(config: Config | UnauthorizedConfig): void;
/**
 * Get the initialized cron instance
 * @returns The cron instance
 */
export declare function getCron(): Cron;